1820220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3502020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1319, 1380, 2638, 3957, 5276, 6595, 7914, 13190, 15828, 19785, 26380, 30337, 39570, 60674, 79140, 91011, 121348, 151685, 182022, 303370, 364044, 455055, 606740, 910110, 1820220]

約数ペア:

[(1, 1820220), (2, 910110), (3, 606740), (4, 455055), (5, 364044), (6, 303370), (10, 182022), (12, 151685), (15, 121348), (20, 91011), (23, 79140), (30, 60674), (46, 39570), (60, 30337), (69, 26380), (92, 19785), (115, 15828), (138, 13190), (230, 7914), (276, 6595), (345, 5276), (460, 3957), (690, 2638), (1319, 1380)]